Method and apparatus for curing co2 composite material objects at near ambient temperature and pressure

a composite material and ambient temperature technology, applied in the field of materials processing, can solve the problems of needlessly expended time effort and money, wet mix will either have to be discarded,

Active Publication Date: 2015-08-13
SOLIDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0022]In another embodiment, the temperature of the material to be carbonated is controlled.
[0023]In yet another embodiment, the water content of the material to be carbonated is controlled.

Problems solved by technology

One of the problems associated with conventional materials that are cured by hydration is that once the water needed to effect the cure is mixed into the composition to be cured, a finite time period starts during which all of the positioning, compacting and finishing steps that are intended to be performed must be completed.
If there is a delay for any reason, there is a danger that the wet mix will either have to be discarded before it can be used as intended, or will set in locations that are disadvantageous, such as in mixing and transporting equipment.
Such adverse outcomes can and do cause additional time effort and money to be expended needlessly.

Method used

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  • Method and apparatus for curing co2 composite material objects at near ambient temperature and pressure
  • Method and apparatus for curing co2 composite material objects at near ambient temperature and pressure
  • Method and apparatus for curing co2 composite material objects at near ambient temperature and pressure

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Embodiment Construction

Chemical Discussion

[0101]This invention provides apparatus and methods used to manufacture novel composite materials that are cured predominantly by a CO2 consumption reaction. The materials exhibit useful properties and can be readily produced from widely available, low cost precursor materials by a process suitable for large-scale production with minimal environmental impact. The precursor materials include inexpensive and abundant calcium silicate rich materials, fine particles and coarse particles. The calcium silicate rich materials may be comprised of ground Wollastonite. The fine and coarse particles may be comprised of ground limestone or other calcium carbonate based materials, ground quartz or other SiO2 based materials, sand and crushed rock. The fine and coarse particles may also be comprised of crushed minerals such as granite, mica and feldspar. Other process components include water and CO2. Various additives can be used to modify and fine-tune the physical appearance...

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Abstract

Apparatus and methods for curing composite compositions that react with CO2. The apparatus in general includes an easily transportable and easily assembled curing structure, such as a plastic sheet housing supported by gas pressure and/or by mechanical supports. Apparatus for providing reagent CO2, for measuring water content and for removing water, and for controlling temperature, flow rates and flow directions through the curing structure. Examples of curing procedures and examples of cured materials in desired shapes are described.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims priority to and the benefit of co-pending U.S. provisional patent application Ser. No. 61 / 930,404, filed Jan. 22, 2014, and co-pending U.S. provisional patent application Ser. No. 62 / 033,366, filed Aug. 5, 2014, each of which applications is incorporated herein by reference in its entirety.FIELD OF THE INVENTION[0002]The invention relates to materials processing in general and particularly to apparatus and methods for curing composite materials.BACKGROUND OF THE INVENTION[0003]It is known in the art to cure conventional cements and concretes using hydration. This has been practiced in various forms for centuries. One of the problems associated with conventional materials that are cured by hydration is that once the water needed to effect the cure is mixed into the composition to be cured, a finite time period starts during which all of the positioning, compacting and finishing steps that are intended to be performe...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C04B22/10B01J19/24C04B12/00
CPCB01J19/24B01J2219/00051C04B12/00B01J2219/24C04B22/10B01J2219/00164B28B11/245C04B28/04C04B40/0231C04B40/024Y02P40/18
Inventor MCCANDLISH, LARRY E.NARINE, ORLANDOCASTORO, DANIEL
Owner SOLIDIA TECH
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